Explanation Given information: A trigonometric expression is given as, tan π 8 . Calculation: From the result of exercise 55 , tan x = sin 2 x 1 + cos 2 x ....eq(i) Substituting x = π 8 in above equation, ⇒ tan π 8 = sin ( 2 × π 8 ) 1 + cos ( 2 × π 8 ) ⇒ tan π 8 = sin π 4 1 + cos π 4 ⇒ tan π 8

4th Edition

ISBN: 9781319050733

Author: Rogawski

Publisher: MAC HIGHER

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Question

Chapter 1.4, Problem 60E

To determine

The value of

tanπ8 .

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Chapter 1.4, Problem 59E

Chapter 1.4, Problem 61E

Chapter 1 Solutions

CALCULUS (CLOTH)

Ch. 1.1 - Prob. 1PQ Ch. 1.1 - Prob. 2PQ Ch. 1.1 - Prob. 3PQ Ch. 1.1 - Prob. 4PQ Ch. 1.1 - Prob. 5PQ Ch. 1.1 - Prob. 6PQ Ch. 1.1 - Prob. 7PQ Ch. 1.1 - Prob. 8PQ Ch. 1.1 - Prob. 9PQ Ch. 1.1 - Prob. 10PQ

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